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I had a long talk about this with Decathlon sales manager last month. TG-100 are renamed Fitness Mat Essential, yellow and blue are no more available, the plastic package is shorter, the backside is now a mesh pattern instead of stipes, the foam is a little bit stronger, and it comes from another factory. But overall it's the same, and red and black are not about to be discontinued for a while.
[...]
It's all the same thing. The new foam makes V-cuts on the innerside easier because of its new pattern.

Thanks for the tip JF. The UK website stocks the red/pink ones and they also sell them through Amazon so I'll order those ones.

Chris, if you have a link to the file in PDO format I don't mind having a look over it to see if it can be made more suitable for foam with some custom unfolding, I don't have the unfolding skills of JF but I'm getting better.

In designer, select set edge color (the little box that has three different colored pens in it). From there, you can adjust the slider that determines your polygon definition. 180 degrees will create a fold at every edge of the faces, you can slide that down to about 160 and it should clean up a lot of the extra pieces. AT 160 degrees, the foam can still maintain these 3 dimensional bends that would be impossible with paper.

Anything 2D you can do without a program. You can enlarge an image you see and use that as a template or just draw one. My son asked me for one and I just drew it on the foam. If you are using your leftover you have plenty of trial material to work with.

Anything 2D you can do without a program. You can enlarge an image you see and use that as a template or just draw one. My son asked me for one and I just drew it on the foam. If you are using your leftover you have plenty of trial material to work with.

JFC: your build is amazing and is likely the cleanest foam build that I have seen. Does the type of mat that you are using hold paint well? Does it require a sealing process prior to paint? There are many types of foam sheet an not hold paint equally. Your thoughts?

Next question to everyone: has anyone tried contact cement over the hot glue? Specifically, Barge cement? This method would appear to allow the builder to allow two glued sides to dry. Then, the mating process is done without the need to worry about the glue cooling, or the thickness of the hot glue joint.